142424870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{290663}}^1$

素因数の和:290684

約数の個数: 24

約数和(自身を含む): 298221264

約数和(自身を除く): 155796394

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 290663, 581326, 1453315, 2034641, 2906630, 4069282, 10173205, 14242487, 20346410, 28484974, 71212435, 142424870]

約数ペア:

[(1, 142424870), (2, 71212435), (5, 28484974), (7, 20346410), (10, 14242487), (14, 10173205), (35, 4069282), (49, 2906630), (70, 2034641), (98, 1453315), (245, 581326), (490, 290663)]